After they encounter an agent that looks like a dog, the Turtles learn that they are not the only bizarre creatures in New York.
As Donnie designs a gadget that will help the team stop their bad routines, it becomes a source of annoyance when they fight against Chef Meat Sweats.
When Donnie tries to help April, as her job at a pizzeria is at risk, things get uncontrollable.
When Splinter catches the rat flu, the Turtles wait for its final stage, where he will say "Yes" to anything they ask for.
Raph decides to wrestle Leo, after causing the former's idol, Ghostbear to loose his champion of the world title.
Mikey, and his brother Donnie try to retrieve the Jupiter Jim Moon Buggy after being stolen.
The Turtles embark on a mission to find who stole their Turtle Tank. Meantime, Splinter encounters Chef Meat Sweats.
The Turtles go after a paper thief pair, who can construct origami soldiers from stolen paper.
The Turtles battle jealous mascots in Times Square while looking for a gift for Splinter's birthday.
In order to prove himself as the Turtles' greatest foe, Warren Stone attempts to hinder the Turtles while they are chasing Hypno-Potamus.
The Turtles enter a Maze of Death that looks like a pizza to win a reward, but they have to face the pizza's guardian first.
The Turtles are in conflict, as they want to watch their favorite TV show while having to stop a bank robbery held by the Foot Clan.
The Turtles meet Baxter Stockboy, while they are trailing a ghost, who is hunting a supermarket.
Raphael's fears come true when a TV show rabbit named Mrs. Cuddles comes to life and starts chasing the Turtles.
Hypno-Potamus causes destruction when he returns to April's dance party.
After being glued together, the Turtles have to brawl against their greatest villains.
The Turtles try to find a way to stop Oozesquitos' attempts to mutate humans into animaloids, in New York City.
Albearto and his army attack, while the Turtles are preparing for their first musical show.
Baron Draxum plans on demolishing the Turtles by gathering all their worst enemies.
Donnie has to make a difficult choice, after knowing the Purple Dragons' true intentions when he joined them.
The Turtles try to save their last favorite pizzeria after all the other restaurants are sunk to the ground.
As Donatello is tired from doing house tasks, and he creates an artificial intelligence robot to help him out, jealousy takes over his brothers. Therefore, they readjust the robot, causing things to get out of control.
Mikey and Foot Clan battle over a video game at the auction house.
An easy task goes wild when the Turtles try to return a DVD to the store.
Turtles try to help a depressed bellhop mutant, for their own personal reasons.
Donnie decides to improve his brothers' intelligence, when they are acting babyish during a mission.
When a mishap occurs, Meat Sweats and Mikey embark on a mission together after becoming close friends.
Leo embarks on a mission to save his brothers when he loses them at a portal to the Hidden City.
Raph tries to keep his new friend, who looks like Frankenfoot, hidden from his brothers.
Splinter works to find out what is happening at April's new job at the Foot Shack. Elsewhere, the Turtles search for a piece that Baron Draxum is looking for.
A battle and betrayals take place, when Baron Draxum wants to take something important from Warren Stone.
As April desperately wants to spend an ordinary day out with her new friend, Leo and Donnie attempt to help her in that matter.
Leo and Mikey try to find peace, during their brotherly competition, to stop themselves from damaging Run of the Mill Pizza.
Baron Draxum attempts to find a way to become the leader of the Foot Clan.
The Turtles go on a mission to the Mystic Library to find a way to save Mayhem, as he got trapped in April's bathroom mirror.
The Purple Dragons create an addicting game to take revenge on Donnie.
An unforgotten secret from the past, returns to visit the Turtles.
A bitter rivalry occurs between Donatello and the everlasting champion, Leonardo, in the annual The Lair Olympics event.
Raph gets lost when the Turtles decide to surf the sewers, and he runs into the Sando Brothers.
Baxter Stockboy attempts to ruin the Turtles' reputation in New York.
Splinter convinces Donatello and Michelangelo to alter the Turtle Tank and enter it in a destructive contest organized by Big Mama.
After Splinter trains the Turtles and sends them to sneak into the Nexus Hotel, he gets worried about their welfare.
The Turtles dispute on how to retrieve a part of the Dark Armor from Repo Mantis.
The mutant Ghostbear attempts to sabotage the Turtles' fun day in the snow.
April and Sunita try to retrieve the latter's disguising brooch when Meat Sweats steals it.
The Turtles find out the truth about Jupiter Jim when they finally meet him.
To expiate for forgetting about a crucial quest, the Turtles try to do their best to prevent the reassembling of the Dark Armour.
When Baron Draxum captures the Turtles, Splinter enlists the help of old allies to rescue his sons. Later on, the Turtles attempt to take the Kuroi Yoroi shield off Baron Draxum.
Things go downhill, when the Turtles decide to divide up to stop an old enemy from destroying New York.
For the sake of rescuing Todd, the Turtles have to learn an important lesson.
After being stuck with Meat Sweats, Huginn and Muninn reminisce about their first mission for Baron Draxum.